<?php
//判断是否已经安装
if(file_exists('./install.lock')){
	echo '
		<html>
        <head>
        <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
        </head>
        <body>
        你已经安装过该系统，请先删除站点install目录下的 install.lock 文件，然后再安装。
        </body>
        </html>
	';
	exit;
}
//设置脚本过期时间
@set_time_limit(1000);
if (phpversion() <= '5.3.0')
    set_magic_quotes_runtime(0);
if ('5.2.0' > phpversion())
    exit('您的php版本过低，不能安装本软件，请升级到5.2.0或更高版本再安装，谢谢！');
//设置时区
date_default_timezone_set('PRC');
error_reporting(E_ALL);
header('Content-Type: text/html; charset=UTF-8');
define('SITEDIR', _dir_path(substr(dirname(__FILE__), 0, -8)));
define("ZEROXCMS_VERSION", '20130218');
include_once (SITEDIR . "/zeroxcms/Common/common.php");
//数据库
$sqlFile = 'zeroxcms.sql';
$configFile = 'config.php';
if (!file_exists(SITEDIR . 'install/' . $sqlFile) || !file_exists(SITEDIR . 'install/' . $configFile)) {
    echo '缺少必要的安装文件!';
    exit;
}
$Title = "ZeroCMS";
$Powered = "Powered by 0x999.com";
$steps = array(
    '1' => '安装许可协议',
    '2' => '运行环境检测',
    '3' => '安装参数设置',
    '4' => '安装详细过程',
    '5' => '安装完成',
);
$step = isset($_GET['step']) ? $_GET['step'] : 1;
switch ($step) {
    case '1':
        include_once ("./common/step1.php");
        exit();
	case '2':
		if (phpversion() < 5) {
            die('本系统需要PHP5+MYSQL >=4.1环境，当前PHP版本为：' . phpversion());
        }
		$phpv = @ phpversion();
        $os = PHP_OS;
        $os = php_uname();
        $tmp = function_exists('gd_info') ? gd_info() : array();
		$server = $_SERVER["SERVER_SOFTWARE"];
        $host = (empty($_SERVER["SERVER_ADDR"]) ? $_SERVER["SERVER_HOST"] : $_SERVER["SERVER_ADDR"]);
        $name = $_SERVER["SERVER_NAME"];
        $max_execution_time = ini_get('max_execution_time');
        $allow_reference = (ini_get('allow_call_time_pass_reference') ? '<font color=green>[√]On</font>' : '<font color=red>[×]Off</font>');
        $allow_url_fopen = (ini_get('allow_url_fopen') ? '<font color=green>[√]On</font>' : '<font color=red>[×]Off</font>');
        $safe_mode = (ini_get('safe_mode') ? '<font color=red>[×]On</font>' : '<font color=green>[√]Off</font>');
		 $err = 0;
        if (empty($tmp['GD Version'])) {
            $gd = '<font color=red>[×]Off</font>';
            $err++;
        } else {
            $gd = '<font color=green>[√]On</font> ' . $tmp['GD Version'];
        }
        if (function_exists('mysql_connect')) {
            $mysql = '<span class="correct_span">&radic;</span> 已安装';
        } else {
            $mysql = '<span class="correct_span error_span">&radic;</span> 出先错误';
            $err++;
        }
        if (ini_get('file_uploads')) {
            $uploadSize = '<span class="correct_span">&radic;</span> ' . ini_get('upload_max_filesize');
        } else {
            $uploadSize = '<span class="correct_span error_span">&radic;</span>禁止上传';
        }
        if (function_exists('session_start')) {
            $session = '<span class="correct_span">&radic;</span> 支持';
        } else {
            $session = '<span class="correct_span error_span">&radic;</span> 不支持';
            $err++;
        }
        $folder = array('/',
            'd',
            'd/file',
            'install',
            'zeroxcms/Conf',
            'zeroxcms/Template',
        );
        include_once ("./common/step2.php");
        exit();
	 case '3':

        if (isset($_GET['testdbpwd'])) {
			
            $dbHost = $_POST['dbHost'] . ':' . $_POST['dbPort'];
            $conn = @mysql_connect($dbHost, $_POST['dbUser'], $_POST['dbPwd']);
            if ($conn) {
                die("1");
            } else {
                die("");
            }
			
        }
		
        $scriptName = !empty($_SERVER["REQUEST_URI"]) ? $scriptName = $_SERVER["REQUEST_URI"] : $scriptName = $_SERVER["PHP_SELF"];
        $rootpath = @preg_replace("/\/(I|i)nstall\/index\.php(.*)$/", "", $scriptName);
        $domain = empty($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : $_SERVER['SERVER_NAME'];
        $domain = $domain . $rootpath;
        include_once ("./common/step3.php");
        exit();
	case '4':
        if (intval(isset($_GET['install']))) {
            $n = intval($_GET['n']);
            $arr = array();
			
            $dbHost = @trim($_POST['dbhost']);
            $dbPort = @trim($_POST['dbport']);
            $dbName = @trim($_POST['dbname']);
            $dbHost = empty($dbPort) || $dbPort == 3306 ? $dbHost : $dbHost . ':' . $dbPort;
			
            $dbUser = @trim($_POST['dbuser']);
            $dbPwd = @trim($_POST['dbpw']);
            $dbPrefix = @empty($_POST['dbprefix']) ? 'zerox_' : trim($_POST['dbprefix']);
			
            $username = @trim($_POST['manager']);
            $password = @trim($_POST['manager_pwd']);
            //网站名称
            $site_name =@addslashes(trim($_POST['sitename']));
            //网站域名
            $site_url = @trim($_POST['siteurl']);
            //附件地址
            $sitefileurl = $site_url."d/file/";
            //描述
            $seo_description = @trim($_POST['siteinfo']);
            //关键词
            $seo_keywords = @trim($_POST['keywords']);
			
            $conn = @ mysql_connect($dbHost, $dbUser, $dbPwd);
			
            if (!$conn) {
                $arr['msg'] = "连接数据库失败!";
                echo json_encode($arr);
                exit;
            }
			
            mysql_query("SET NAMES 'utf8'"); //,character_set_client=binary,sql_mode='';
            $version = mysql_get_server_info($conn);
            if ($version < 4.1) {
                $arr['msg'] = '数据库版本太低!';
                echo json_encode($arr);
                exit;
            }
			
            if (!mysql_select_db($dbName, $conn)) {
                //创建数据时同时设置编码
                if (!mysql_query("CREATE DATABASE IF NOT EXISTS `" . $dbName . "` DEFAULT CHARACTER SET utf8;", $conn)) {
                    $arr['msg'] = '数据库 ' . $dbName . ' 不存在，也没权限创建新的数据库！';
                    echo json_encode($arr);
                    exit;
                }
                if (empty($n)) {
                    $arr['n'] = 1;
                    $arr['msg'] = "成功创建数据库:{$dbName}<br>";
                    echo json_encode($arr);
                    exit;
                }
                mysql_select_db($dbName, $conn);
            }

            //读取数据文件
			$sqldata = file_get_contents(SITEDIR . 'install/' . $sqlFile);
            $sqlFormat = sql_split($sqldata, $dbPrefix);
			
			
            /**
              执行SQL语句
             */
            $counts = count($sqlFormat);
			
            for ($i = $n; $i < $counts; $i++) {
                $sql = trim($sqlFormat[$i]);
                if (strstr($sql, 'CREATE TABLE')) {
					
                    preg_match('/CREATE TABLE `([^ ]*)`/', $sql, $matches);
                    mysql_query("DROP TABLE IF EXISTS `$matches[1]`");
                    $ret = mysql_query($sql);
                    if ($ret) {
                        $message = '<li><span class="correct_span">&radic;</span>创建数据表' . $matches[1] . '，完成</li> ';
                    } else {
                        $message = '<li><span class="correct_span error_span">&radic;</span>创建数据表' . $matches[1] . '，失败</li>';
                    }
                    //$i++;
                    $arr = array('n' => $i, 'msg' => $message);
                } else {

                    $ret = mysql_query($sql);
                    $message = '';
                    $arr = array('n' => $i, 'msg' => $message);
                    //echo json_encode($arr); exit;
                }
            }
			
            if ($i == 999999)
                exit;
            //更新配置信息
            mysql_query("UPDATE `{$dbPrefix}config` SET  `value` = '$site_name' WHERE varname='sitename'");
            mysql_query("UPDATE `{$dbPrefix}config` SET  `value` = '$site_url' WHERE varname='siteurl' ");
            mysql_query("UPDATE `{$dbPrefix}config` SET  `value` = '$sitefileurl' WHERE varname='sitefileurl' ");
            mysql_query("UPDATE `{$dbPrefix}config` SET  `value` = '$seo_description' WHERE varname='siteinfo'");
            mysql_query("UPDATE `{$dbPrefix}config` SET  `value` = '$seo_keywords' WHERE varname='sitekeywords'");

            //读取配置文件，并替换真实配置数据
            $strConfig = file_get_contents(SITEDIR . 'install/' . $configFile);
            $strConfig = str_replace('#DB_HOST#', $dbHost, $strConfig);
            $strConfig = str_replace('#DB_NAME#', $dbName, $strConfig);
            $strConfig = str_replace('#DB_USER#', $dbUser, $strConfig);
            $strConfig = str_replace('#DB_PWD#', $dbPwd, $strConfig);
            $strConfig = str_replace('#DB_PORT#', $dbPort, $strConfig);
            $strConfig = str_replace('#DB_PREFIX#', $dbPrefix, $strConfig);
            $strConfig = str_replace('#AUTHCODE#', genRandomString(18), $strConfig);
            $strConfig = str_replace('#COOKIE_PREFIX#', genRandomString(6)."_", $strConfig);
			
            @file_put_contents(SITEDIR . '/zeroxcms/Conf/dataconfig.php', $strConfig);
			
            //插入管理员
            //生成随机认证码
            $verify = genRandomString(6);
            $time = time();
            $ip = get_client_ip();
            $password = md5($password . md5($verify));
            $query = "INSERT INTO `{$dbPrefix}user` VALUES ('1', '{$username}', '未知', '{$password}', '', '{$time}', '0.0.0.0', '{$verify}', 'admin@0x999.com', '备注信息', '{$time}', '{$time}', '1', '1', '');";
            mysql_query($query);

            $message = '成功添加管理员<br />成功写入配置文件<br>安装完成．';
            $arr = array('n' => 999999, 'msg' => $message);
            echo json_encode($arr);
            exit;
        }

        include_once ("./common/step4.php");
        exit();

    case '5':
        $scriptName = !empty($_SERVER["REQUEST_URI"]) ? $scriptName = $_SERVER["REQUEST_URI"] : $scriptName = $_SERVER["PHP_SELF"];
        $rootpath = @preg_replace("/\/(I|i)nstall\/index\.php(.*)/", "", $scriptName);
        $domain = empty($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : $_SERVER['SERVER_NAME'];
        $domain = $domain . $rootpath;
        include_once ("./common/step5.php");
        @touch('./install.lock');
        exit();
}
function sql_execute($sql, $tablepre) {
    $sqls = sql_split($sql, $tablepre);
    if (is_array($sqls)) {
        foreach ($sqls as $sql) {
            if (trim($sql) != '') {
                mysql_query($sql);
            }
        }
    } else {
        mysql_query($sqls);
    }
    return true;
}
function sql_split($sql, $tablepre) {
    if ($tablepre != "zeroxcms_")
        $sql = str_replace("zeroxcms_", $tablepre, $sql);
    $sql = preg_replace("/TYPE=(InnoDB|MyISAM|MEMORY)( DEFAULT CHARSET=[^; ]+)?/", "ENGINE=\\1 DEFAULT CHARSET=utf8", $sql);
	
    /*if ($r_tablepre != $s_tablepre)
        $sql = str_replace($s_tablepre, $r_tablepre, $sql);*/
    $sql = str_replace("\r", "\n", $sql);
    $ret = array();
    $num = 0;
    $queriesarray = explode(";\n", trim($sql));
	
    unset($sql);
    foreach ($queriesarray as $query) {
        $ret[$num] = '';
        $queries = explode("\n", trim($query));
		
        $queries = array_filter($queries);
		
        foreach ($queries as $query) {
            $str1 = substr($query, 0, 1);
            if ($str1 != '#' && $str1 != '-')
                $ret[$num] .= $query;
        }
		
        $num++;
    }
    return $ret;
}
// 获取客户端IP地址
function get_client_ip() {
    static $ip = NULL;
    if ($ip !== NULL)
        return $ip;
    if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {
        $arr = explode(',', $_SERVER['HTTP_X_FORWARDED_FOR']);
        $pos = array_search('unknown', $arr);
        if (false !== $pos)
            unset($arr[$pos]);
        $ip = trim($arr[0]);
    }elseif (isset($_SERVER['HTTP_CLIENT_IP'])) {
        $ip = $_SERVER['HTTP_CLIENT_IP'];
    } elseif (isset($_SERVER['REMOTE_ADDR'])) {
        $ip = $_SERVER['REMOTE_ADDR'];
    }
    // IP地址合法验证
    $ip = (false !== ip2long($ip)) ? $ip : '0.0.0.0';
    return $ip;
}
function testwrite($d) {
    $tfile = "_test.txt";
    $fp = @fopen($d . "/" . $tfile, "w");
    if (!$fp) {
        return false;
    }
    fclose($fp);
    $rs = @unlink($d . "/" . $tfile);
    if ($rs) {
        return true;
    }
    return false;
}
function _dir_path($path) {
    $path = str_replace('\\', '/', $path);
    if (substr($path, -1) != '/')
        $path = $path . '/';
    return $path;
}

function dir_create($path, $mode = 0777) {
    if (is_dir($path))
        return TRUE;
    $ftp_enable = 0;
    $path = _dir_path($path);
    $temp = explode('/', $path);
    $cur_dir = '';
    $max = count($temp) - 1;
    for ($i = 0; $i < $max; $i++) {
        $cur_dir .= $temp[$i] . '/';
        if (@is_dir($cur_dir))
            continue;
        @mkdir($cur_dir, 0777, true);
        @chmod($cur_dir, 0777);
    }
    return is_dir($path);
}
?>